diff --git a/debian/control b/debian/control
index ac30f400..e504ab58 100644
--- a/debian/control
+++ b/debian/control
@@ -27,7 +27,6 @@ Section: admin
 Depends: distro-info-data,
          python3-distro-info,
          python3-update-manager (= ${source:Version}),
-         ubuntu-pro-client,
          ubuntu-release-upgrader-core (>= 1:18.04.9),
          ${misc:Depends},
          ${python3:Depends},
diff --git a/UpdateManager/UpdateManager.py b/UpdateManager.py
index 3b9eaa58..d44040d5 100644
--- a/UpdateManager/UpdateManager.py
+++ b/UpdateManager.py
@@ -25,7 +25,6 @@ from gi.repository import Gdk, GdkX11
 from gi.repository import Gio
 from gi.repository import GLib
 from gi.repository import GObject
-import uaclient.api.u.pro.packages.updates.v1 as ua
 
 GdkX11  # pyflakes
 
@@ -40,7 +39,6 @@ import fnmatch
 import os
 import subprocess
 import sys
-import threading
 import time
 from gettext import gettext as _
 
@@ -90,7 +88,6 @@ class UpdateManager(Gtk.Window):
         self.unity = UnitySupport()
         self.controller = None
         self.cache = None
-        self.ua_security_packages = []
         self.update_list = None
         self.meta_release = None
         self.hwe_replacement_packages = None
@@ -295,43 +295,6 @@ class UpdateManager(Gtk.Window):
             if fnmatch.fnmatch(pkg.name, "oem-*-meta") and pkg.installed:
                 self.oem_metapackages.add(pkg)
 
-    def _fetch_ua_updates(self):
-        try:
-            self.ua_updates = ua.updates().updates
-        except Exception as e:
-            print("Error running updates end-point: ", e)
-            self.ua_updates = []
-
-    def _get_ua_security_status(self):
-        self.ua_security_packages = []
-        self.ua_updates = []
-        t = threading.Thread(target=self._fetch_ua_updates, daemon=True)
-        t.start()
-        while t.is_alive():
-            while Gtk.events_pending():
-                Gtk.main_iteration()
-            time.sleep(0.05)
-        for package in self.ua_updates:
-            if (
-                package.provided_by == 'standard-security'
-                or package.provided_by == 'standard-updates'
-            ):
-                continue
-            status = package.status
-            if (
-                status == 'pending_attach'
-                or status == 'pending_enable'
-                or status == 'upgrade_available'
-            ):
-                name = package.package
-                version = package.version
-                size = package.download_size
-                downloadable = status == 'upgrade_available'
-                self.ua_security_packages.append(
-                    (name, version, size, downloadable)
-                )
-        self.cache.create_pro_cache(self.ua_security_packages)
-
     def _make_available_pane(
         self,
         install_count,
@@ -495,8 +460,6 @@ class UpdateManager(Gtk.Window):
 
         self._check_oem_metapackages()
 
-        self._get_ua_security_status()
-
         for pkgname in self.oem_metapackages:
             try:
                 if not self.cache[pkgname].is_installed:
@@ -510,7 +473,6 @@ class UpdateManager(Gtk.Window):
                 self.cache,
                 eventloop_callback=iterate,
                 duplicate_packages=self.duplicate_packages,
-                ua_security_packages=self.ua_security_packages,
             )
         except SystemError as e:
             header = _("Could not calculate the upgrade")
diff --git a/UpdateManager/Core/MyCache.py b/UpdateManager/Core/MyCache.py_
index 3e61b840..dfbacbb1 100644
--- a/UpdateManager/Core/MyCache.py
+++ b/UpdateManager/Core/MyCache.py
@@ -468,54 +468,3 @@ class MyCache(DistUpgrade.DistUpgradeCache.MyCache):
                         "Please check your Internet connection."
                     )
         self.all_changes[name] += error_message
-
-    # If the machine is not attached to Ubuntu Pro, Update Manager advertises
-    # the upgrades that would be available if it were attached.
-    # As that is unbeknownst to Apt, we need this map to show the correct
-    # version of each upgradable-if-pro-subscribed package.
-    def create_pro_cache(self, pro_pkgs):
-        for (name, version, _a, _a) in pro_pkgs:
-            self.pro_versions[name] = version
-
-    def get_changelog(self, name):
-        "get the changelog file from the changelog location"
-        origins = self[name].candidate.origins
-        version = self.pro_versions.get(name, self[name].candidate.version)
-        self.all_changes[name] = _(
-            "Changes for %s versions:\n"
-            "Installed version: %s\n"
-            "Available version: %s\n\n"
-        ) % (
-            name,
-            getattr(self[name].installed, "version", None),
-            version,
-        )
-        if self.CHANGELOG_ORIGIN not in [o.origin for o in origins]:
-            self._fetch_changelog_for_third_party_package(name, origins)
-            return
-        # fixup epoch handling version
-        srcpkg = self[name].candidate.source_name
-        srcver_epoch = self[name].candidate.source_version.replace(":", "%3A")
-        try:
-            changelog = self._get_changelog_or_news(name, "changelog")
-            if len(changelog) == 0:
-                changelog = _(
-                    "The changelog does not contain any relevant changes.\n\n"
-                    "Please use http://launchpad.net/ubuntu/+source/"
-                    "%s/%s/+changelog\n"
-                    "until the changes become available or try again later."
-                ) % (srcpkg, srcver_epoch)
-        except HTTPError:
-            changelog = _(
-                "The list of changes is not available yet.\n\n"
-                "Please use http://launchpad.net/ubuntu/+source/"
-                "%s/%s/+changelog\n"
-                "until the changes become available or try again later."
-            ) % (srcpkg, srcver_epoch)
-        except (IOError, BadStatusLine, socket.error) as e:
-            print("caught exception: ", e)
-            changelog = _(
-                "Failed to download the list of changes. \n"
-                "Please check your Internet connection."
-            )
-        self.all_changes[name] += changelog